package com.magenta.maxoptra.gis.distancematrix;

/**
 * @author Sergey Grachev
 */
public interface StateAwareRouteIterator {
    /**
     * Save current state of iterator, current saved state will be replaced
     */
    void saveState();

    /**
     * Restore previously saved state if it exists
     */
    void restoreState();
}
